Improvement in bearings for journals



G. DR'APER. BEARINGS FOR JOURNALS.

Patented Dec. 21,1875.

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J1 i 1 y s N. PETERS. PHOTO LTHOGRAPH ion w UNITED- STATES PATENT"OFFICE;

GEORGE DRAIER, OF HOIZ'PEDALE, MASSACHUSETTS.

IMPROVEMENT IN BEAERINGS FOR JOURNALS.

Specification forming part of Letters Patent No. 171,359. dated December21, 1875; application filed October 26, 1875'.

To an whom it mag concern:

Be it known that I, GEORGE DRAPER, of Hopedale, in the. county ofWorcester and State of Massachusetts, have invented an Improvement inBearings for Journals, of which:

the following is a specification:

This invention relates to improvements in journal boxes, and bearings tolubricate the same and consists in a bearing provided with upper andlower grooved sections connected with an oil-supplying source, andhaving an oil-delivering opening and intersecting diagonal grooves,substantially as hereinafter set forth. Also, in the employment, in ajournal or bearing, of bristles or equivalent non fibrous strands toconduct the oil or other lubricant from the oil-supply to the rotatingor moving surface to be lubricated.

Figural is a side elevation of one form of a journal or hearing to whichmy invention is applied Fig. 2, a longitudinal section thereof; Fig. 3,a central cross-section; Fig. 4, a view of the inner or under side ofthe grooved bearing-section of the cap or one-half of the hearing, andFig. 5 is a View of the inner portion of the other half of the hearing.

In the drawing, a represents the lower portion of the journal-box, and bthe cap or cover. They may be of any well-known form, and be suitablyattached, and within the lower part a is a partition or support, 0,forming between it and the bottom of the box a chamber, d, for thereception of oil or other suitable lubricant or compound. Abearing-section, e, of brass, Babbitt, or other customary bearing-metal,is cast or otherwise placed on this partition, and a similar section, f,is fitted to the cap I). The lower section 0 is provided with openings 9to receive tubes or bristle-holders h, within which are placed bristlesi, or whalebone, or mixtures thereof, or other equivalent hard-surfacedbut non-metallic material, not easily gummed or clogged by the oil orimpurities therein, as is the case with fibrous strands or packing usedto conduct oil to bearings. The lower ends of these bristles projectinto the lubricating compound, and their upper ends terminate ingrooves, or at the ends of grooved or depressed parts of the section 0.The extreme right and left tubes intersect the ends of grooves j, thebristles terminating at the end of such grooves,

and the inner tubes (two being shown) extend to, and the bristlescarried by them terminate in, grooves running diagonally across thesection. (SeeFig. 5.) The grooves j commence at or near the end of thebearing-section e, and lead into a similar groove, 10, inbearing-section f, the grooves in sections 6 and f terminating one inthe other, forming spiral passages, and running from the ends to at ornear the center of the bearing-sections, where the grooves intersect adelivering passage or orifice, Z, having the edge m preferablylower thanthe opposite edge, and the ends of the spiral passages terminate at n inthe cover or cap-section f.

The shaft or spindle 0 turns in the direction of the arrow thereon, Fig.2, and takes the oil or equivalent from the ends of the bristles, the

oil passing up through the tubes and among the bristles by capillaryattraction, and following the grooves j k, or the spiral passages formedby such grooves, in the direction of the arrows, thereby thoroughlylubricating the shaft, and the oil passes from the grooves into thedelivering-orifice l, and back into the oil-supplying chamber. Some oilwill be carried beyond this opening I up the grooves to theirintersection at n, but such oil will flow back as the part m is reducedto form'a space for the oil to return and pass through I. At the outeredgeof the outer grooves j k are diagonal grooves 00, placed andinclining, as shown, to direct the oil, should too much be carried upthrough the outer tubes, into the grooves j or k, and prevent it fromflowing over the ends of the sections 0 f. If the shaft 0 were to rotatein the opposite direction, then the grooves j would start and extendfrom the oil-supplying points in the oppositedirection.

A channel, 10, leads from the oil-chamber d to.

The oil is supplied through the gages or through openings t. When thetwo sections (see Figs. 4 and 5) are placed together and about the shaftthe points as m meet each other.

I claim- 1. In ajourual box or bearing,the sections 0 f, provided withoil-supplying and delivery openings, and with grooves 01' spiralpassages adapted to carry the oil from the supplyingopenings toward thecenter of the bearin g and to the delivery-opening, and with diagonalgrooves, substantially as described.

2. In a journal-bearing, the grooves j k and intersecting diagonalgrooves :20, to carry the oil from -the ends of the bearing into thegrooves j k, substantially as described.

3. The combination, with a bearing, of

. bristles to conduct oil or other lubricant to the inner side of thebearing, substantially as described.

GEORGE DRAPER' Witnesses:

G. W. GREGORY, S. B. KIDDER.

